private static void ParseImpl(ProjectConfig config, string configContents, string originalPath)
{
string directory = System.IO.Path.GetFullPath(System.IO.Path.GetDirectoryName(originalPath));
string[] lines = configContents.Split('\n');
for (int i = 0; i < lines.Length; ++i)
{
string line = lines[i].Trim();
if (line.Length == 0 || line[0] == '#')
{
continue;
}
string[] parts = SplitOnColon(line);
if (parts == null)
{
throw new InvalidOperationException("Invalid syntax on line " + (i + 1) + " of " + originalPath + ":\n" + line);
}
string type = parts[0];
string data = parts[1];
switch (type)
{
case "IMPORT":
string importedConfig = CanonicalizeDirectory(directory, data);
if (!System.IO.File.Exists(importedConfig))
{
throw new InvalidOperationException("Config file does not exist: " + importedConfig);
}
string importedConfigContents = System.IO.File.ReadAllText(importedConfig);
ParseImpl(config, importedConfigContents, importedConfig);
break;
case "LANGUAGE":
config.Language = LanguageUtil.ParseLanguage(data);
break;
case "SOURCE":
config.Source = CanonicalizeDirectory(directory, data);
break;
case "DEPENDENCY":
parts = SplitOnColon(data);
if (parts == null)
{
throw new InvalidOperationException("Dependency requires a namespace in " + originalPath + " on line " + (i + 1) + ":\n" + line);
}
string depNamespace = parts[0];
string path = CanonicalizeDirectory(directory, parts[1]);
config.DependenciesByPrefix[depNamespace] = Parse(path);
break;
case "FLAG":
parts = SplitOnColon(data);
if (parts.Length != 2)
{
throw new InvalidOperationException("Invalid flag definition: " + line);
}
config.Flags[parts[0]] = PastelUtil.StringToBool(parts[1]);
break;
case "OUTPUT-STRUCTS":
config.OutputDirStructs = CanonicalizeDirectory(directory, data);
break;
case "OUTPUT-FUNCTIONS":
config.OutputFileFunctions = CanonicalizeDirectory(directory, data);
break;
// TODO: I have not found value in distinguishing these two aside from this is just how
// I started things and have to maintain it. Merge the two namespaces and then change
// these to just "NAMESPACE".
case "NAMESPACE-FUNCTIONS":
config.NamespaceForFunctions = data;
break;
case "NAMESPACE-STRUCTS":
config.NamespaceForStructs = data;
break;
case "FUNCTION-WRAPPER-CLASS":
config.WrappingClassNameForFunctions = data;
break;
case "EXT":
parts = SplitOnColon(data);
config.ExtensionPlatformValues[parts[0]] = parts[1];
config.ExtensionPlatformValuesDefinitionTokens[parts[0]] = new Token("", originalPath, i, 0, true);
break;
case "EXT-TYPE":
config.ExtensionTypeDefinitions.Add(data);
break;
case "CODE-IMPORT":
config.Imports.Add(data);
break;
case "INCLUDE-PUBLIC-PASTEL-UTIL":
config.IncludePublicPastelUtil = PastelUtil.StringToBool(data);
break;
case "PHP-FILE-INCLUDE":
case "PHP-FILE-INCLUDE-OPTIONAL":
string phpFilePath = CanonicalizeDirectory(directory, data);
config.PhpFileIncludes.Add(phpFilePath);
config.PhpFileIncludeIsOptional.Add(phpFilePath);
break;
default:
throw new InvalidOperationException("Unrecognized project config command '" + type + "' on line " + (i + 1) + " of " + originalPath + ":\n" + line);
}
}
}
private static PastelContext GetContextForConfigImpl(
ProjectConfig config,
Dictionary <string, PastelContext> contexts,
HashSet <string> recursionCheck)
{
if (contexts.ContainsKey(config.Path))
{
return(contexts[config.Path]);
}
if (recursionCheck.Contains(config.Path))
{
throw new InvalidOperationException("Project config dependencies have a cycle involving: " + config.Path);
}
recursionCheck.Add(config.Path);
ProjectConfig[] requiredScopes = config.DependenciesByPrefix.Values.ToArray();
for (int i = 0; i < requiredScopes.Length; ++i)
{
string path = requiredScopes[i].Path;
if (!contexts.ContainsKey(path))
{
throw new Exception(); // This shouldn't happen. These are run in dependency order.
}
}
string sourceRootDir = System.IO.Path.GetDirectoryName(config.Source);
PastelContext context = new PastelContext(sourceRootDir, config.Language, new CodeLoader(sourceRootDir));
foreach (string prefix in config.DependenciesByPrefix.Keys)
{
ProjectConfig depConfig = config.DependenciesByPrefix[prefix];
// TODO: make this a little more generic for other possible languages
string funcNs = depConfig.NamespaceForFunctions;
string classWrapper = depConfig.WrappingClassNameForFunctions;
string outputPrefix = "";
if (funcNs != null)
{
outputPrefix = funcNs + ".";
}
if (classWrapper != null)
{
outputPrefix += classWrapper + ".";
}
context.AddDependency(contexts[depConfig.Path], prefix, outputPrefix);
}
context.MarkDependenciesAsFinalized();
foreach (string constantName in config.Flags.Keys)
{
context.SetConstant(constantName, config.Flags[constantName]);
}
foreach (ExtensibleFunction exFn in config.GetExtensibleFunctions())
{
// TODO(pastel-split): Translation is already set on the extensible function in the
// new codepath, so the 2nd parameter here ought to be removed.
context.AddExtensibleFunction(exFn, exFn.Translation);
}
contexts[config.Path] = context;
recursionCheck.Remove(config.Path);
return(context);
}
private static Dictionary <string, string> GenerateFiles(ProjectConfig config, PastelContext context)
{
Dictionary <string, string> output = new Dictionary <string, string>();
if (context.UsesClassDefinitions)
{
Dictionary <string, string> classDefinitions = context.GetCodeForClasses();
foreach (string className in classDefinitions.Keys.OrderBy(k => k))
{
string classCode = classDefinitions[className];
if (context.ClassDefinitionsInSeparateFiles)
{
GenerateClassImplementation(config, className, classCode);
}
else
{
output["class_def:" + className] = classCode;
}
}
if (!context.ClassDefinitionsInSeparateFiles)
{
System.Text.StringBuilder sb = new System.Text.StringBuilder();
foreach (string key in output.Keys.Where(k => k.StartsWith("class_def:")).OrderBy(k => k))
{
sb.Append(output[key]);
sb.Append("\n\n");
}
string code = sb.ToString().Trim();
if (code.Length > 0)
{
string classOutputDir = System.IO.Path.GetDirectoryName(config.OutputFileFunctions);
string path = System.IO.Path.Combine(classOutputDir, "Classes" + LanguageUtil.GetFileExtension(config.Language));
System.IO.File.WriteAllText(path, code + "\n");
}
}
}
if (context.UsesStructDefinitions)
{
Dictionary <string, string> structDefinitions = context.GetCodeForStructs();
string[] structOrder = structDefinitions.Keys.OrderBy(k => k.ToLower()).ToArray();
if (context.HasStructsInSeparateFiles)
{
foreach (string structName in structOrder)
{
GenerateStructImplementation(config, structName, structDefinitions[structName]);
}
}
else
{
GenerateStructBundleImplementation(config, structOrder, structDefinitions);
}
if (context.UsesStructDeclarations)
{
Dictionary <string, string> structDeclarations = structOrder.ToDictionary(k => context.GetCodeForStructDeclaration(k));
foreach (string structName in structOrder)
{
output["struct_decl:" + structName] = structDeclarations[structName];
}
}
}
if (context.UsesFunctionDeclarations)
{
string funcDeclarations = context.GetCodeForFunctionDeclarations();
throw new NotImplementedException();
}
GenerateFunctionImplementation(config, context.GetCodeForFunctions());
return(output);
}
private static void GenerateFunctionImplementation(ProjectConfig config, string funcCode)
{
Transpilers.AbstractTranspiler transpiler = LanguageUtil.GetTranspiler(config.Language);
funcCode = transpiler.WrapCodeForFunctions(config, funcCode);
System.IO.File.WriteAllText(config.OutputFileFunctions, funcCode);
}